CN102616572B - Hydraulic reverse stacking equipment - Google Patents
Hydraulic reverse stacking equipment Download PDFInfo
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- CN102616572B CN102616572B CN201110033409.XA CN201110033409A CN102616572B CN 102616572 B CN102616572 B CN 102616572B CN 201110033409 A CN201110033409 A CN 201110033409A CN 102616572 B CN102616572 B CN 102616572B
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Abstract
The invention provides hydraulic reverse stacking equipment, which comprises a lifting device and a conveying device, wherein the lifting device is provided with a plurality of large hydraulic cylinders, a plurality of small hydraulic cylinders and a plurality of lifting forks; hydraulic rods of the large hydraulic cylinders are drawn to lift stacked objects; hydraulic rods of the small hydraulic cylinders are drawn to support the weight of the large hydraulic cylinders; the lifting forks are fixedly connected with the large hydraulic cylinders for lifting the stacked objects according to displacement generated by the hydraulic rods of the large hydraulic cylinders; the conveying device is connected with the lifting device and is provided with a shuttle machine and a conveying fork; the shuttle machine is used for moving in the horizontal direction; the conveying fork is fixedly connected with the shuttle machine for transferring the objects to be stacked to a predetermined position; and the predetermined position is an initial position of the stacked objects. By using the hydraulic reverse stacking equipment, the conveying fork is only required to horizontally move the objects to be stacked each time without overcoming gravity working during stacking, so that the stacking energy consumption is reduced. In addition, the reverse stacking equipment has a small size and higher stacking efficiency.
Description
Technical field
The present invention relates to a kind of stacking apparatus, particularly relate to a kind of hydraulic reverse stacking device for large stereo warehouse.
Background technology
Along with the development of market economy, the living standard of people improves day by day, and pursuing material variation becomes social morals.Thus, the product category of meeting the need of market is various, and the situation of selling well type product that especially those consumer groups are huge, often lays in the stock of some in advance in warehouse.In order to save space, these products with external packing are stacked with way of stacking usually, in stacking procedure, are usually necessary to utilize stacking apparatus to carry out to carry and stack.
For the flooring material of interior decoration, flooring material being put into specification is in the cube of 1.5 meters, and each cubical weight is about 3 tons, when these cubes being put into warehouse and carrying out keeping, such as, stacking is realized with the superposition of the cube of 7 formed objects.In prior art, common way of stacking is, first cube is carried as ground floor by stacking apparatus, then carrying also lifting second cube, be stacked in the top of this ground floor, upwards stacking successively, until the 7th cube lifting is overlayed the top of layer 6 by stacking apparatus.But, this way of stacking requires that stacking apparatus must can realize very large diff-H (such as seven cubical superposition height), and require that this equipment bears larger torque of leaning forward, stacking apparatus chassis based on above-mentioned requirements is huge, certainly will cause great energy dissipation because overcoming cube gravity acting.In addition, this stacking procedure is slow in action, and efficiency is lower.
In view of this, how designing a kind of efficient, quick and stacking apparatus of small volume, to solve the problem of high-rise stacking and economize energy, is a problem facing of person skilled in the industry.
Summary of the invention
For the above-mentioned defect that the stacking apparatus being applied to warehouse stacking in prior art is existing when operating, the invention provides a kind of reverse stacking device of hydraulic.
According to one aspect of the present invention, provide a kind of reverse stacking device of hydraulic, this reverse stacking device comprises:
Lifting apparatus, has:
Multiple large hydraulic actuating cylinder, is fixedly connected with the support of described lifting apparatus, for according to the fluid pressure from the first hydraulic circuit, the hydraulic stem of described large hydraulic actuating cylinder is stretched, with the object of vertically lifting stacking;
Multiple small cylinder, be fixedly connected with the base of described lifting apparatus, and arrange accordingly with described multiple large hydraulic actuating cylinder, for the fluid pressure of basis from the second hydraulic circuit, the hydraulic stem of described small cylinder is stretched, to support the weight of described multiple large hydraulic actuating cylinder; And
Multiple lifting pallet fork, is fixedly connected with described large hydraulic actuating cylinder, and the displacement for producing according to the hydraulic stem of described large hydraulic actuating cylinder carrys out the object of stacking described in lifting;
Handling device, is connected with described lifting apparatus, has:
Shuttle machine, for moving in the horizontal direction;
Carrying pallet fork, is fixedly connected with described shuttle machine, for treating that the object shifting of stacking is to desired location, wherein, described desired location for described in the initial position of the object of stacking.
Preferably, this shuttle machine also comprises hydraulic efficiency gear, for controlling first hydraulic circuit corresponding with described large hydraulic actuating cylinder and second hydraulic circuit corresponding with described small cylinder.
Preferably, described hydraulic efficiency gear also comprises the first change-over valve, for described first hydraulic circuit is switched to the 3rd hydraulic circuit, so that the hydraulic stem of described large hydraulic actuating cylinder shrinks, thus make described lifting pallet fork the object of described stacking is stacked in described in treat the object of stacking to complete reverse stacking procedure.
Preferably, described hydraulic efficiency gear also comprises the second change-over valve, for described second hydraulic circuit is switched to the 4th hydraulic circuit, so that the hydraulic stem of described small cylinder shrinks, thus makes described lifting apparatus and earth surface.Further, described lifting apparatus also comprises universal rolling wheel, be connected by the lower end of tightening screw with the hydraulic stem of described small cylinder, and after the hydraulic stem of described small cylinder stretches, described universal rolling wheel provides the force of rolling friction between described lifting apparatus and ground.
Preferably, described hydraulic efficiency gear also comprises the first balance cock and the second balance cock, and synchronous shift amount when described first balance cock moves for the hydraulic stem controlling described multiple large hydraulic actuating cylinder, and synchronous shift amount when described second balance cock moves for the hydraulic stem controlling described multiple small cylinder.
Preferably, described reverse stacking device also comprises weighting apparatus, for recording the weight treating the object of stacking described in the weight of the object of stacking described in the lifting of described lifting pallet fork and the transfer of described carrying pallet fork.
Preferably, described shuttle machine also comprises registration device, for each corner of the object of stacking described in being moved to by the multiple large hydraulic actuating cylinder of described lifting apparatus.
Preferably, described lifting apparatus and described Handling device are movable connection method, to realize the reverse stacking treating the object of stacking to Different Weight rank.
Adopt reverse stacking device of the present invention, by the large hydraulic actuating cylinder in lifting apparatus come lifting stacking object and will the underbelly of the placing object of stacking in described stacking be treated by the carrying pallet fork in Handling device, thus realize reverse stacking procedure.In the process, carry pallet fork only needs parallel motion treat the object of stacking and without the need to overcoming gravity acting, reduce stacking energy consumption at every turn.In addition, because the object treating stacking carried does not need in the vertical direction to move at every turn, shuttle machine need not bear excessive torque of leaning forward, thus this reverse stacking device small volume, and stacking efficiency is higher.
Accompanying drawing explanation
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Fig. 1 illustrates that existing stacking apparatus adopts forward way of stacking to carry out the constitution diagram of stacking;
Fig. 2 illustrates the structural representation of the hydraulic reverse stacking device according to one aspect of the invention;
Fig. 3 A illustrates the connection diagram of small cylinder and universal rolling wheel in a preferred embodiment of the reverse stacking device of Fig. 2; Fig. 3 B illustrates the schematic diagram of lifting apparatus in the reverse stacking device of the preferred embodiment of Fig. 3 A; And
Fig. 4 illustrates the constitution diagram carrying out reverse stacking according to hydraulic reverse stacking device of the present invention.
Detailed description of the invention
With reference to the accompanying drawings, the specific embodiment of the present invention is described in further detail.Those of ordinary skill in the art is to be understood that, embodiment hereinafter just schematically illustrates technical scheme of the present invention, and preferably introduce the operating process of the specific embodiment of the present invention and climbing robot of the present invention, but the present invention has more than and is confined to this.
As previously mentioned, traditional stacking apparatus mainly adopts the mode successively superposed, and ground floor object is positioned over ground, then by height certain for the lifting of second layer object, and is stacked on ground floor object.Thus, the number of plies of stacking is higher, the lifting force of stacking apparatus is larger, meanwhile, owing to needing the object of new lifting to overlay on stacking is good object, certainly will require that this stacking apparatus bears larger torque of leaning forward, under usual situation, the base volume of stacking apparatus is excessive, and stacking efficiency can be caused too low, and the manufacturing cost of stacking apparatus is too high.
Fig. 1 illustrates that existing stacking apparatus adopts forward way of stacking to carry out the constitution diagram of stacking.With reference to Fig. 1, the object that stacking is good comprises ground floor (flag F 1), the second layer (flag F 2) and third layer (flag F 3), for the object layer (flag F N) treating stacking, as shown in the direction of arrow, first stacking apparatus needs this object layer FN to be lifted to the position being at least equivalent to single body layer height 3 times, and then this object layer FN is leaned forward, to overlay on object layer F3.From this constitution diagram, stacking apparatus often increases the object layer that stacking is treated in placement one, its lifting force is just equivalent to increase lifting force when single body layer upwards being lifted the height of an object layer, be understood that, this is for the large-scale stacking with multi-layer body, the base volume of its stacking apparatus is comparatively large, and the lifting power produced during its work is also sufficiently large.Because the object layer treating stacking newly increased does not change the position of the original each layer of object layer of stacking, also its way of stacking can be called " forward stacking ".In addition, in the process completing this forward way of stacking, the observable index of stacking apparatus is comparatively large, and stacking efficiency is lower.
In order to overcome the above-mentioned defect existing for Fig. 1, the present invention proposes a kind of reverse stacking device of hydraulic.More specifically, Fig. 2 illustrates the structural representation of the hydraulic reverse stacking device according to one aspect of the invention.With reference to Fig. 2, this reverse stacking device comprises lifting apparatus and Handling device, and wherein, this lifting apparatus comprises multiple large hydraulic actuating cylinder 1, multiple lifting pallet fork 2, multiple small cylinder 3, and this Handling device comprises carrying pallet fork 5 and shuttle machine 9.Preferably, this shuttle machine 9 is for providing hydraulic efficiency gear and/or the electrical control gear of this lifting apparatus, and more preferably, described shuttle machine 9 also comprises control housing 6, provides above-mentioned hydraulic control device and/or electrical control gear by this control housing 6.
In addition, lifting apparatus has base 4 and support 7, multiple large hydraulic actuating cylinder 1 is fixedly connected with the support 7 of lifting apparatus, for the fluid pressure of basis from the first hydraulic circuit, the hydraulic stem of this large hydraulic actuating cylinder 1 is stretched, with the object along vertical direction lifting stacking, and multiple small cylinder 3 is fixedly connected with the base 4 of lifting apparatus, and arrange accordingly with described multiple large hydraulic actuating cylinder, for the fluid pressure of basis from the second hydraulic circuit, the hydraulic stem of small cylinder 3 is stretched, to support the weight of described multiple large hydraulic actuating cylinder 1.It is to be noted, the hydraulic stem that above-mentioned first hydraulic circuit is used for controlling large hydraulic actuating cylinder 1 stretches, the hydraulic stem that second hydraulic circuit is used for controlling small cylinder 3 stretches, and the first hydraulic circuit thus from the hydraulic efficiency gear of shuttle machine 9 is different from the second hydraulic circuit.In addition, multiple lifting pallet forks 2 of lifting apparatus, are fixedly connected with large hydraulic actuating cylinder 1, and the displacement for producing according to the hydraulic stem of large hydraulic actuating cylinder 1 carrys out the object of lifting stacking.Preferably, lifting pallet fork 2 is connected by tightening screw with the hydraulic stem of large hydraulic actuating cylinder 1.
Handling device, is connected with above-mentioned lifting apparatus, and shuttle machine 9 wherein, for moving in the horizontal direction, moves to drive carrying pallet fork 5.Shuttle machine 9 accurately can also locate the position of the large hydraulic actuating cylinder 1 in lifting apparatus, to carry out stacking better.Carrying pallet fork 5 is fixedly connected with shuttle machine 9, and for treating that the object of stacking moves to desired location, this desired location is the initial position of the object of stacking.
In the preferred embodiment of the present invention, hydraulic efficiency gear from shuttle machine 9 also comprises the first change-over valve, for first hydraulic circuit corresponding with the hydraulic stem of large hydraulic actuating cylinder 1 is switched to the 3rd hydraulic circuit, the hydraulic stem of large hydraulic actuating cylinder 1 is switched to contraction state from extended state, thus make lifting pallet fork 2 object of described stacking is stacked in described in treat the object of stacking to complete reverse stacking procedure.
In another preferred embodiment of the present invention, hydraulic efficiency gear from shuttle machine 9 also comprises the second change-over valve, for second hydraulic circuit corresponding with the hydraulic stem of small cylinder 3 is switched to the 4th hydraulic circuit, the hydraulic stem of small cylinder 3 is switched to contraction state from extended state, thus make lifting apparatus and earth surface.
Displacement difference when stretching to prevent the different hydraulic stems in large hydraulic actuating cylinder or little hydraulic stem or shrink is very large, cause object run-off the straight or the rollover phenomenon of stacking, hydraulic efficiency gear from shuttle machine 9 also comprises the first balance cock and the second balance cock, wherein, first balance cock is for controlling synchronous shift amount during hydraulic stem motion (comprise stretch and shrink) of multiple large hydraulic actuating cylinder 1, second balance cock is for controlling displacement during hydraulic stem motion (comprise stretch and shrink) of multiple small cylinder 3, thus guarantee that multiple large hydraulic actuating cylinder 1 and the respective hydraulic stem of multiple small cylinder 3 have identical displacement when stretching or shrink, meet synchronous requirement.
In addition, in order to expand the function of reverse stacking device of the present invention, this reverse stacking device can also comprise weighting apparatus, for the weight treating the object of stacking that the weight and carrying pallet fork 5 that record the object of the stacking of lifting pallet fork 2 lifting are transferred, thus accurately record the total weight of stacking object.In addition, shuttle machine 9 also comprises registration device, for the multiple large hydraulic actuating cylinder 1 of lifting apparatus being moved to each corner of the object of stacking.In one embodiment, this lifting apparatus and Handling device are movable connection method, and such as tightening screw connects, by dismantling these tightening screws, the shuttle machine in lifting apparatus or Handling device can be changed, to realize treating that stacking object carries out reverse stacking to Different Weight rank.
Fig. 3 A illustrates the connection diagram of small cylinder and universal rolling wheel in a preferred embodiment of the reverse stacking device of Fig. 2, and Fig. 3 B illustrates the schematic diagram of lifting apparatus in the reverse stacking device of the preferred embodiment of Fig. 3 A.
With reference to Fig. 3 A, lifting apparatus also comprises universal rolling wheel 8, is connected by the lower end of tightening screw 10 with the hydraulic stem of small cylinder 3, and after the hydraulic stem of small cylinder 3 stretches, universal rolling wheel 8 provides the force of rolling friction between lifting apparatus and ground.In more detail, the rolling portion of universal rolling wheel 8 is spherical, and the centre of sphere of ball, on the axis of small cylinder 3, is fixed in the hydraulic rod end of small cylinder 3 by six tightening screws 10.When positioning lifting apparatus and lifting apparatus is subjected to displacement, the bulb of universal rolling wheel 8 and earth surface, to support the weight of the especially large hydraulic actuating cylinder 1 of lifting apparatus, and provide the force of rolling friction between ground when lifting apparatus moves.In addition, after lifting apparatus completes location, the hydraulic stem of small cylinder 3 shrinks, and because the hydraulic stem of universal rolling wheel 8 with small cylinder 3 is fixedly connected with, its rolling portion is also regained by universal rolling wheel 8, so that lifting apparatus and earth surface.
With reference to Fig. 3 B, large hydraulic actuating cylinder 1 is fixedly connected with support 7 in the vertical direction of lifting apparatus, and small cylinder 3 is fixedly connected with the base 4 of lifting apparatus.Lifting pallet fork 2 is connected to large hydraulic actuating cylinder 1 by six tightening screws 11, and lifting pallet fork 2 is fixed on the end of the hydraulic stem of this large hydraulic actuating cylinder 1, produces synchronous shift amount up or down with the hydraulic stem of large hydraulic actuating cylinder 1.In figure 3b, lifting pallet fork 2 is similar to " Z " type structure, a horizontal sides is wherein fixed on the hydraulic rod end of large hydraulic actuating cylinder 1 by tightening screw 11, another horizontal sides for loading a corner of stacking object so that described in lifting stacking object and the described object of stacking is superimposed upon treat on stacking object.
Fig. 4 illustrates the constitution diagram carrying out reverse stacking according to hydraulic reverse stacking device of the present invention.As previously mentioned, Fig. 1 describes the forward way of stacking that existing stacking apparatus often adopts, and Fig. 4 illustrates the reverse way of stacking of reverse stacking device of the present invention, specifically, the object that stacking is good comprises ground floor (flag F 1), the second layer (flag F 2) and third layer (flag F 3), for the object layer (flag F N) treating stacking, as shown in the direction of arrow, lifting apparatus in reverse stacking device of the present invention is first by stacking object layer F1, F2 and F3 is lifted to the position being equivalent to single body layer height, then will treat that the object layer FN of stacking is transplanted on the original position of F1 ~ F3 by the Handling device in reverse stacking device, and then utilize lifting apparatus to be superimposed upon on object layer FN by the object layer F1 ~ F3 of stacking, to complete reverse stacking.
In this stacking procedure, originally the object layer F1 being positioned at bottom becomes the second layer, and F2 and F3 originally laying respectively at the second layer and third layer correspondingly becomes third layer and the 4th layer, treat that the object layer FN of stacking changes the position of each layer of object layer of stacking, so be called " reverse stacking " by its way of stacking due to what newly increase.It is to be noted, in reverse stacking procedure, carrying pallet fork in Handling device is to treat that the object layer of stacking carries out level transfer all the time, and without the need to being lifted to more and more higher height, and reverse stacking device does not require to bear larger torque of leaning forward yet, so the base small volume of this reverse stacking device, also compare energy efficient.
In addition, when needing the object in stacking to unload, also need not first from the highest stacking object.Similarly, the present invention first by with the bottom of earth surface more than all objects lift certain altitude (floor height as single body layer), the object of the bottom is taken away by the carrying pallet fork 5 in Handling device, carrying pallet fork now also only needs the carrying function providing single object, both economize energy, improves stacking efficiency again.
Adopt reverse stacking device of the present invention, by the large hydraulic actuating cylinder in lifting apparatus come lifting stacking object and will the underbelly of the placing object of stacking in described stacking be treated by the carrying pallet fork in Handling device, thus realize reverse stacking procedure.In the process, carry pallet fork only needs parallel motion treat the object of stacking and without the need to overcoming gravity acting, reduce stacking energy consumption at every turn.In addition, because the object treating stacking carried does not need in the vertical direction to move at every turn, shuttle machine need not bear excessive torque of leaning forward, thus this reverse stacking device small volume, and stacking efficiency is higher.
Above, the specific embodiment of the present invention is described with reference to the accompanying drawings.But those skilled in the art can understand, when without departing from the spirit and scope of the present invention, various change and replacement can also be done to the specific embodiment of the present invention.These change and replace and all drop in claims of the present invention limited range.
Claims (9)
1. the reverse stacking device of a hydraulic, comprise lifting apparatus, described lifting apparatus has multiple large hydraulic actuating cylinder, be fixedly connected with the support of described lifting apparatus, for according to the fluid pressure from the first hydraulic circuit, the hydraulic stem of described large hydraulic actuating cylinder is stretched, with the object of vertically lifting stacking, it is characterized in that
Described lifting apparatus also comprises multiple small cylinder and multiple lifting pallet fork, described multiple small cylinder is fixedly connected with the base of described lifting apparatus, and arrange accordingly with described multiple large hydraulic actuating cylinder, for the fluid pressure of basis from the second hydraulic circuit, the hydraulic stem of described small cylinder is stretched, to support the weight of described multiple large hydraulic actuating cylinder; Described multiple lifting pallet fork is fixedly connected with described large hydraulic actuating cylinder, and the displacement for producing according to the hydraulic stem of described large hydraulic actuating cylinder carrys out the object of stacking described in lifting;
Described reverse stacking device also comprises Handling device, is connected with described lifting apparatus, and have shuttle machine and carrying pallet fork, described shuttle machine is used for moving in the horizontal direction; Described carrying pallet fork is fixedly connected with described shuttle machine, for treating that the object shifting of stacking is to desired location, wherein, described desired location for described in the initial position of the object of stacking.
2. reverse stacking device according to claim 1, is characterized in that, described shuttle machine also comprises hydraulic efficiency gear, for controlling first hydraulic circuit corresponding with described large hydraulic actuating cylinder and second hydraulic circuit corresponding with described small cylinder.
3. reverse stacking device according to claim 2, it is characterized in that, described hydraulic efficiency gear also comprises the first change-over valve, for described first hydraulic circuit is switched to the 3rd hydraulic circuit, so that the hydraulic stem of described large hydraulic actuating cylinder shrinks, thus make described lifting pallet fork the object of described stacking is stacked in described in treat the object of stacking to complete reverse stacking procedure.
4. reverse stacking device according to claim 2, it is characterized in that, described hydraulic efficiency gear also comprises the second change-over valve, for described second hydraulic circuit is switched to the 4th hydraulic circuit, so that the hydraulic stem of described small cylinder shrinks, thus makes described lifting apparatus and earth surface.
5. reverse stacking device according to claim 4, it is characterized in that, described lifting apparatus also comprises universal rolling wheel, be connected by the lower end of tightening screw with the hydraulic stem of described small cylinder, and after the hydraulic stem of described small cylinder stretches, described universal rolling wheel provides the force of rolling friction between described lifting apparatus and ground.
6. reverse stacking device according to claim 2, it is characterized in that, described hydraulic efficiency gear also comprises the first balance cock and the second balance cock, and synchronous shift amount when described first balance cock moves for the hydraulic stem controlling described multiple large hydraulic actuating cylinder, and synchronous shift amount when described second balance cock moves for the hydraulic stem controlling described multiple small cylinder.
7. reverse stacking device according to claim 1, it is characterized in that, described reverse stacking device also comprises weighting apparatus, for recording the weight treating the object of stacking described in the weight of the object of stacking described in the lifting of described lifting pallet fork and the transfer of described carrying pallet fork.
8. reverse stacking device according to claim 1, is characterized in that, described shuttle machine also comprises registration device, for each corner of the object of stacking described in being moved to by the multiple large hydraulic actuating cylinder of described lifting apparatus.
9. reverse stacking device according to claim 1, is characterized in that, described lifting apparatus and described Handling device are movable connection method, to realize the reverse stacking treating the object of stacking to Different Weight rank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110033409.XA CN102616572B (en) | 2011-01-30 | 2011-01-30 | Hydraulic reverse stacking equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110033409.XA CN102616572B (en) | 2011-01-30 | 2011-01-30 | Hydraulic reverse stacking equipment |
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| CN102616572A CN102616572A (en) | 2012-08-01 |
| CN102616572B true CN102616572B (en) | 2015-07-15 |
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| CN201110033409.XA Active CN102616572B (en) | 2011-01-30 | 2011-01-30 | Hydraulic reverse stacking equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20202243U1 (en) * | 2002-02-14 | 2002-05-08 | Gebhardt Transport & Lagersys | stacker |
| DE102006019153A1 (en) * | 2006-04-21 | 2007-10-25 | Felsomat Gmbh & Co Kg | Supply module for pallets with a transport module that can be moved under the stacking spaces of the pallets together with a lifting device |
| CN201031084Y (en) * | 2007-03-12 | 2008-03-05 | 江苏天奇物流系统工程股份有限公司 | Empty bracket tray buck stacker |
| CN101823627A (en) * | 2010-04-13 | 2010-09-08 | 深南电路有限公司 | Clamping plate automatic temporary storage mechanism and clamping plate access method |
| CN201999529U (en) * | 2011-01-30 | 2011-10-05 | 常州远量机器人技术有限公司 | Hydraulic reverse stacking device |
-
2011
- 2011-01-30 CN CN201110033409.XA patent/CN102616572B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20202243U1 (en) * | 2002-02-14 | 2002-05-08 | Gebhardt Transport & Lagersys | stacker |
| DE102006019153A1 (en) * | 2006-04-21 | 2007-10-25 | Felsomat Gmbh & Co Kg | Supply module for pallets with a transport module that can be moved under the stacking spaces of the pallets together with a lifting device |
| CN201031084Y (en) * | 2007-03-12 | 2008-03-05 | 江苏天奇物流系统工程股份有限公司 | Empty bracket tray buck stacker |
| CN101823627A (en) * | 2010-04-13 | 2010-09-08 | 深南电路有限公司 | Clamping plate automatic temporary storage mechanism and clamping plate access method |
| CN201999529U (en) * | 2011-01-30 | 2011-10-05 | 常州远量机器人技术有限公司 | Hydraulic reverse stacking device |
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